|
| US3996727 | 13 Jan 1976 | 14 Dec 1976 | Pitney-Bowes, Inc. | Envelope flap separating mechanism |
| US4188414 | 2 Jan 1976 | 12 Feb 1980 | Champion International Corporation | Method for applying sealing material to envelopes |
| US4384914 | 9 Jun 1981 | 24 May 1983 | Gartemann & Hollmann GmbH | Arrangement for welding bags |
| US4527378 | 7 Jan 1982 | 9 Jul 1985 | Mail-Ex Corporation | Semi-automatic insertion machine |
| US4551188 | 15 Oct 1984 | 5 Nov 1985 | Francotyp-Postalia GmbH | Device for lifting the flaps of letters or envelopes |
| US4999972 | 20 Dec 1989 | 19 Mar 1991 | Pitney Bowes Inc. | Guide means for envelope opening apparatus |
| US5487254 | 7 Jan 1994 | 30 Jan 1996 | Printed forms Equipment Limited | Apparatus for inserting material into envelopes |
| US5524417 | 7 Nov 1994 | 11 Jun 1996 | Printed Forms Equipment Limited | Envelope opening mechanism for inserter apparatus |
| US6584751 | 16 Sep 2002 | 1 Jul 2003 | | High speed machine for inserting sheets into envelopes |
| US6766626 | 15 Oct 2002 | 27 Jul 2004 | Pitney Bowes Inc. | Floating stripping skis for mailing machine |
| US6860090 | 5 Nov 2002 | 1 Mar 2005 | Pitney Bowes Inc. | Envelope stripping apparatus |
| US7226372 | 3 Mar 2005 | 5 Jun 2007 | | Batting tee |
| US7886797 | 8 Aug 2006 | 15 Feb 2011 | Boewe Systec AG | Apparatus for automatically closing envelopes |
